The M53 and M55 Self-Propelled artillery vehicles were the first entirely protected NBC in the US Army and USMC (1952). They had limitations and were replaced by lighter systems.

Jul 10, 2024 · The M53 and M55 are a pair of notable American self-propelled artillery pieces from the 1950s. These vehicles were built on the chassis of the M46 and M47 tanks, reflecting advancements in artillery technology and vehicle design during the post-World War II era.

The Amphibious Combat Vehicle (ACV) is a program initiated by Marine Corps Systems Command to procure an amphibious assault vehicle for the United States Marine Corps to supplement and ultimately replace the aging Assault Amphibious Vehicle (AAV). The program replaces the Expeditionary Fighting Vehicle (EFV) program canceled in 2011. Originally ...

Aug 2, 2022 · The M53 is an American self propelled gun from the early Cold War, created as a successor to WWII-era vehicles like the M40. It was notable at the time for its use of a fully enclosed, semi-traversable turret that contained all of its crew.

With its Tatra T-912-2 6-cylinder inline air-cooled diesel engine rated for 110 bhp (82 kW) at 2,200 rpm, the Praga M53/59 could reach up to 37 mph on road (60 kph), and down to 40 or less off-road. With 10.7 hp/tonne (8 kW/tonne) it was recoignised as underpowered.

May 21, 2024 · There are currently four ACV variants planned: (1) a Personnel Variant (ACV-P), which can carry three crewmembers with 13 Marines and two days of combat equipment and supplies; (2) a Command-and-Control Variant (ACV-C); (3) a Recovery Variant (ACV-R); and (4) a 30-mm Gun Variant (ACV-30). The Marines intend

Sep 5, 2024 · The M53 was based on components of the M46 and M47 Patton tanks. The engine and transmission were at the front, and the large turret was at the rear. The entire crew was housed in the turret, with the driver stationed at the front left of the turret.

Sep 6, 2024 · The term “M53” refers to different military vehicles, with the most notable being the M53 155mm Self-Propelled Howitzer and the M53 Armored Personnel Carrier (APC). Each has made significant contributions in its area of military operation.

The eight-wheeled Amphibious Combat Vehicle is set to replace the Marine Corps' tracked Amphibious Assault Vehicles, which date back to the early 1970s. The vehicle offers three times the force...

Jan 28, 2025 · Currently, most US military units have long since retired this self-propelled gun, but some units still use it in active service. However, it is completely retired for combat use, and some of the remaining body parts are remodeled and put into missions such as base construction and equipment towing.